(19)
(11) EP 4 332 493 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
15.05.2024 Bulletin 2024/20

(43) Date of publication A2:
06.03.2024 Bulletin 2024/10

(21) Application number: 24152519.5

(22) Date of filing: 13.10.2015
(51) International Patent Classification (IPC): 
F41A 9/75(2006.01)
 F41A 9/70(2006.01)
(52) Cooperative Patent Classification (CPC):
F41A 9/75; F41A 9/70
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 14.10.2014 US 201462063546 P

(62) Application number of the earlier application in accordance with Art. 76 EPC:
22194032.3 / 4141374
19182510.8 / 3567334
15850706.1 / 3105526

(71) Applicant: Magpul Industries Corp.
Austin, TX 78746 (US)

(72) Inventors:
  • Nakayama, Brian L.
    Arvada, 80004 (US)
  • Fitzpatrick, Richard M.
    West Lake Hills, 78746 (US)
  • Nakayama, Eric
    Broomfield, 80021 (US)
  • Mayberry, Michael T.
    Denver, 80211 (US)
  • Bennett, William Bradley
    Lafayette, 80026 (US)
  • Roberts, Timothy Eric
    Broomfield, 80023 (US)

(74) Representative: Markfort, Iris-Anne Lucie 
Lorenz & Kollegen Patentanwälte Partnerschaftsgesellschaft mbB Alte Ulmer Straße 2
89522 Heidenheim
89522 Heidenheim (DE)

   


(54) DRUM MAGAZINE ASSEMBLY AND METHODS


(57) A drum magazine assembly and methods are described. A drum magazine assembly has a drum assembly (302, 2330) with a wheel (20), a spring assembly (2343), a feed tower assembly (70, 2370) and an advancing mechanism to advance the wheel (20) such that one or more cartridges of ammunition may be loaded after advancing the wheel (20). The advancing mechanism comprises an arm (106), a pawl (108), and a lever (104), wherein the arm (106) is configured to pivot about a first pivot axis (A) to drive the pawl (108) about the first pivot axis (A), the first pivot axis (A) defined by the spindle assembly (2343); the pawl (108) is configured to pivot about a second pivot axis (D) between a free position and an engaged position, the second pivot axis (D) defined by a distal section of the arm (106);the pawl (108) is further configured to selectively engage the wheel (20) when the pawl is in the engaged position; the lever (104) is configured to pivot the pawl (108) about the second pivot axis (D); the lever (104) is further configured to move relative to the second pivot axis (D) between a closed position and an open position.







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